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4. Fault Isolation
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A. The ECAM warning is triggered if a clogging of the fuel filter is detected.
(1) Do the following checks:
(a) Remove the fuel filter element (Ref. AMM TASK 73-11-10-000-004):
CAUTION : YOU MUST DO THE MAINTENANCE OPERATION IF YOU FIND
_______ BRONZE PARTICLES IN THE FUEL FILTER ELEMENT. BRONZE PARTICLES ARE A SIGN OF ENGINE DAMAGE. IF YOU DO NOT DO MAINTENANCE, MORE DAMAGE WILL OCCUR TO THE ENGINE. IT WILL THEN BE NECESSARY TO REPLACE THE FUEL SYSTEM COMPONENTS.
- do a visual inspection of the fuel filter element for signs of contamination (Ref. AMM TASK 73-11-10-210-003).
(b) If nothing is found:
- install a new fuel filter element (Ref. AMM TASK 73-11-10-400-004).
(c) If the fault continues:
- replace the SW-FUEL FILTER DIFF PRESS (4000EL) (Ref. AMM TASK 73-34-15-000-041) and (Ref. AMM TASK 73-34-15-400-041).
(d) If the fault continues:
- check the wiring between the fuel filter differential pressure switch 4000EL and SDAC1/SDAC2 for a short to ground (Ref. ASM 73-34/02),
- repair or replace wiring as required.
R (e) If the fault continues:
R - replace SDAC-1 (1WV1) (Ref. AMM TASK 31-55-34-000-001) and
R (Ref. AMM TASK 31-55-34-400-001)
R (f) If the fault continues:
R - replace SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and
R (Ref. AMM TASK 31-55-34-400-001)
B. If there are no messages with the DMC3 switched on:
(1) Replace the DMC-1 (1WT1) for the upper ECAM display unit and/or the DMC-2 (1WT2) for the lower ECAM display unit (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
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(1) No additional maintenance action is required if the fault is not confirmed.
(2) Repeat the fault isolation procedure if the fault continues.
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TASK 73-00-00-810-876
Fuel Filter Clogged Indication on Engine 2
1. Possible Causes
_______________
R - SDAC-1 (1WV1) R - SDAC-2 (1WV2)
- fuel filter element
- SW-FUEL FILTER DIFF PRESS (4000EL)
- wiring
- DMC-1 (1WT1)
- DMC-2 (1WT2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
R AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2) AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3) AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3) AMM 71-00-00-710-006 Minimum Idle Check AMM 73-11-10-000-004 Removal of the Fuel Filter Element AMM 73-11-10-210-003 Visual Inspection of the Fuel Filter Cartridge AMM 73-11-10-400-004 Installation of the Fuel Filter Element AMM 73-34-15-000-041 Removal of the Fuel Filter Differential Pressure
Switch AMM 73-34-15-400-041 Installation of the Fuel Filter Differential Pressure Switch ASM 73-34/02
3. Fault Confirmation
__________________
A. Test
(1) Not applicable.
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4. Fault Isolation
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A. The ECAM warning is triggered if a clogging of the fuel filter is detected.
(1) Do the following checks:
(a) Remove the fuel filter element (Ref. AMM TASK 73-11-10-000-004):
CAUTION : YOU MUST DO THE MAINTENANCE OPERATION IF YOU FIND
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 發動機燃油和控制 1(35)
